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Date: Fri, 29 Aug 1997 18:10:01 -0700 (PDT)
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From: Bruce Evans <bde@zeta.org.au>
Subject: Re: kern/4413: No way to unmount a floppy that goes bad while mounted.
Reply-To: Bruce Evans <bde@zeta.org.au>
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The following reply was made to PR kern/4413; it has been noted by GNATS.

From: Bruce Evans <bde@zeta.org.au>
To: FreeBSD-gnats-submit@FreeBSD.ORG, zach@gaffaneys.com
Cc:  Subject: Re: kern/4413: No way to unmount a floppy that goes bad while mounted.
Date: Sat, 30 Aug 1997 11:05:12 +1000

 >>Description:
 >
 >I had a bsd formatted floppy mounted in /fd0 that went bad while it was in the
 >drive.  When I went to unmount it, I got these errors on the console:
 >
 >$ umount /dev/fd0
 >fd0c: hard error reading fsbn 56 of 56-63 (ST0 44<abnrml,top_head> ST1 
 >      4<sec_not_fnd> ST2 10<wrong_cyl> cyl 1 hd 1 sec 3)
 >fd0c: hard error reading fsbn 56 of 56-63 (ST0 44<abnrml,top_head> ST1
 >      4<sec_not_fnd> ST2 10<wrong_cyl> cyl 1 hd 1 sec 3)
 >umount: /dev/fd0: Invalid argument
 
 This is a new bug in -current.  In 2.2, errors for the superblock update
 in ffs_unmount() are ignored.  The fussier checking came from Lite2.
 Other I/O errors in ffs_umount() are ignored in all versions.  I/O errors
 for the superblock update in ffs_mount() are ignored even in -current.
 
 Bruce